.sticky-top {
  position: -webkit-sticky;
  position: sticky;
  top: 70px;
  z-index: 1020;
}

.sticky-bottom {
  position: -webkit-sticky;
  position: sticky;
  bottom: 0;
  z-index: 1020;
}

@media (min-width: 576px) {
  .sticky-sm-top {
    position: -webkit-sticky;
    position: sticky;
    top: 70px;
    z-index: 1020;
  }
  .sticky-sm-bottom {
    position: -webkit-sticky;
    position: sticky;
    bottom: 0;
    z-index: 1020;
  }
}
@media (min-width: 768px) {
  .sticky-md-top {
    position: -webkit-sticky;
    position: sticky;
    top: 70px;
    z-index: 1020;
  }
  .sticky-md-bottom {
    position: -webkit-sticky;
    position: sticky;
    bottom: 0;
    z-index: 1020;
  }
}
@media (min-width: 992px) {
  .sticky-lg-top {
    position: -webkit-sticky;
    position: sticky;
    top: 70px;
    z-index: 1020;
  }
  .sticky-lg-bottom {
    position: -webkit-sticky;
    position: sticky;
    bottom: 0;
    z-index: 1020;
  }
}
@media (min-width: 1200px) {
  .sticky-xl-top {
    position: -webkit-sticky;
    position: sticky;
    top: 70px;
    z-index: 1020;
  }
  .sticky-xl-bottom {
    position: -webkit-sticky;
    position: sticky;
    bottom: 0;
    z-index: 1020;
  }
}
@media (min-width: 1400px) {
  .sticky-xxl-top {
    position: -webkit-sticky;
    position: sticky;
    top: 70px;
    z-index: 1020;
  }
  .sticky-xxl-bottom {
    position: -webkit-sticky;
    position: sticky;
    bottom: 0;
    z-index: 1020;
  }
}